Loose-leaf book.



R. i5. WHITLOCK. LOOSE LEAF BOOK.

APPLICATION FILED AUG.2I. 191a.

' Patented Apr. 8, 1919.

HIS ATTEIRNEY i w i iii i will. ihiiem by! J1 i i ii n Lil i LC QIlSE-LEAF 15803.

Application filed August 21 i l) It W150i)! if may rim/WW Be it known ihzif ll .ihmii ii, hl lll'iLukhi. :1 citizen hi' the bniiwl Hini'cs. residing hi ihc city oi id; iii'iggclcei biini'c of inlih'irnm, haw invented new and useful impriwcinciiie in Li'ii'iei'r-Lcni liooi-zs. oi which the following is n specification.

lip ii'n'cniion relates to the consirnctmn or the metal portionn of the covoror use, which for distinction I call the buck frame, and the object ihcreof is to chenpcn the con eiruction of such portions and to provide simple means for opening and closing the ring members.

in the drawings forming a part. of this application l .l ignrc 1 is 2L top plan of the back tfrznno F 2 is an enlarged, SGCbiOll on the line i-2 of big. 31 but showing the rings open.

3 is an enlarged section on the iine 3 2; of 1., but, with the rings open.

"- iir 4 is 51 detail on the line -le--= of Fig. 1..

Fin. P is :i plan of a piece of metal. be "fore being bent to form an attaching plates Referring to the drawings 5 is a piece of sheet metal. preferably of mild steel, which forms the back member and ,is preferably slightly curved. Near each end for a porhim of its width the beck inen'ibcr is trans versely out and the portion between the cute is pressed upwardly and forms attaching loops 6, This beck member is bound in the cover, not shown. The ring member is composed of side men'ibers 7 and 8, 'whicl'i-ere preferably of heavy wire, the ends of which are "turned and rivcicii iiog's-zfhcr as shown in Fig. 1. Half ring members 9 and ii) are eeciirecl to the side members in pairs which register. There may be two or more pairs (if half; ring members. i be shown three pairs in the drawings. These half ring; members penis ihiongh slots in the ends oijohe aitechii' plaice l3 exi'icpiz theccni'mi pair which pane through a hinge. The ends of attaching plates are bent (Ll(}\V11- Wardiy and iihcninwariliy ar-s'lwfii shown in Fig 2 and form pockets in which the sicie members are received. '"Thcsc platen have narrow portions on him sides-s which are bent; r'iownwercily on the (lei-ted lines 14 :ii; righi; es to the lop and again bcni'v at right 1 on the lines 1!: and fornr attaching h1g5 the intnrnoii curls of which pro ect under the loope of the back member as best ehc wn in Figs. and .rnil attach the ring Specification of Letters Patent.

1918 Serial No. 250.885.

member to the buck incinbcr. It will be un- (iOl'h'iUlKl that before nthichii'm' the ring member in iihc buck member i'hcsc lugs l are their iii'tiu'ncii ends NlLll'HiWl far enough to strzicb (lie Lhc loops oi the bark member and when pmii'ii'mcii the lugs :irc pinched to position their intin'noil cnils innlcr ihc loops 218 best shown in Fig. 4. At one end I mount on i-he side members {H1 opening and closing and locking: (icvivv which'i-onsisis of {L level" I? which in rocinibly mounted on member 8. A. link 18 in i-oclmbly mounted on member 7 :ihd i e conncci'ci'l to lever '1'? by n rivet 19 at a point which is :1 little below the plane which passes through the centers of ineinbers 7 and 8 when ibc rings are closed and which. point is: close to member 8 as best shown in, Fig. In the center of the side members I may connect them-together by a hinge as shown in big. 1. The members forming the hinge are rigidly secured to the side members. This; hinge gives a little better bracing to the central, portions but can be omitted Where eheapness of construction is desired. It will be observed that lugs 16 limit the inward movement of the side meniberes and. prevent, them from coming out of the pockets. ii bcre a cover is not desired the buck plnie may be omitted.

Having described my invention I claim:

1. in a loose leaf book a back plate con1- prising a strip of metal having loops struck up tl'ierefroi'n; in combination with a ring member comprisin side members carrying hnii ring members; means to connect seiti side n'icmbcrs, said connecting means perini'bting said side members; to rock and move back and forth laterally and having lugs to engage the loops of the back plate; and means to rock said side members and move i'hcni internlly.

1h a loose leaf book a rin member comprising il'hfiSVmFlG iiiiilfii'llfig pin-fies having ilown'warilly 'n'ojcciing Inge Whose ends are turned ili'wfll'tlii)" in form eckons; side members hin iiy connected at their ends Inonntoil for sliding movement in eaidopockets; heli' ring li'iGlflbGiS secured to said side menu: here; a lover iooscl mounted on one of said side members; and a. link loosely moun'beci on the other of said SidO members, an end oi said link being hingedly connected to said lever at such point that when the half ring members are closed the rivet coinnectiiib the link to the lever is below the plane passing downwardly projecting lugs and having pockets at the ends thereof; side members lnn edl connected at their ends mounted in the pockets of said attachingplates; means connected to said side members to more said side members laterally and to rock them; and half ring members arranged in pairs and secured l'o rilld side members.

4. in a loose leaf boole a ring member comprising transverse. attaching plates havin; dmrnwardly projecting lugs and having pockets at the ends thereof; side members hingedly connected at their ends mounted in the pockets of said attaching plates; means connected to said side members to more said side members laterally and to rock them; and half ring members arranged in pairs and secured to said side membersn in. comblnation with a back plate adapted to be bound in the cover, said plate having loops in which the lugs of the ring member are received, whereby the ring member is attached to the back plate.

In witness that I claim the foregoing I have hereunto subscribed my name this 14th day of August, 1018.

R ALP ll G. WI-EQYPLOCK. 

